(in a steam engine) a spring-loaded safety valve designed to open or close very rapidly at a predetermined pressure.
| 单词 | θ214293 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > valve > pop (3) pop valve1873 (in a steam engine) a spring-loaded safety valve designed to open or close very rapidly at a predetermined pressure. pop safety valve1876 = pop valve n. Subcategories:— opening of (1) |
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